| 单词 | ventilator |
| 释义 | ventilator (ventɪleɪtəʳ ) Word forms: ventilators 1. countable noun A ventilator is a machine that helps people breathe when they cannot breathe naturally, for example because they are very ill or have been seriously injured. 2. countable noun A ventilator is a device that lets fresh air into a room or building and lets old or dirty air out. |
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